What grade of gas do you typoically use and why? I am seeing all different opinions on the internet. How do I know what grade of gas my car calls for?
chrisasst said:What grade of gas do you typoically use and why? I am seeing all different opinions on the internet. How do I know what grade of gas my car calls for?
PINEBURNER said:A fuels octane rating is its resistance to burn, basically. thats why higher octane fuel resists detonation, lower volitility, therefore more control on the burn rate. use what fuel your owners manual states to use.
chrisasst said:I have a 2000 pontiac montana. Just got it last week. It is getting exceptional gas mileage right now. I would like to keep it that way. I don't have a manual.
chrisasst said:I have a 2000 pontiac montana. Just got it last week. It is getting exceptional gas mileage right now. I would like to keep it that way. I don't have a manual.
A fuels octane rating is its resistance to burn, basically.
Webmaster said:I have a new Passat 2.0 Turbo.
It calls for higher octane - and owners have reported better MPG with high grades. They claim you are fooling yourself by using too low of a grade with this engine.
However, in my ultimate lack of wisdom, I am using mid-grade..around 90.
My excuse is this - I am very light on the gas and it is my understanding that the higher octane is more important when one is using the turbo on a more consistent basis. I suppose I will find out sooner or later if the MPG claim is correct. Right now it gets about 29 on the highway....still fairly new, though.
Highbeam said:They "could" design a turbo engine that doesn't require premium fuel but they can squeeze even more power out of it if they require premium and HP sells cars.
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